Harp lessons. Healing Arts Radiation Protection Act.
Barlow
W R
WR
Department of Radiology, Faculty of Dentistry, University of Toronto.
D006801:Humans; D009864:Ontario; D011835:Radiation Protection / Q000331:legislation & jurisprudence*; D011861:Radiography, Dental / Q000009:adverse effects / Q000592:standards*; D012449:Safety